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hearing |
Also found in: Legal, Encyclopedia, Wikipedia, Hutchinson | 0.01 sec. |
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hearing /hear·ing/ (her´ing) 1. the sense by which sounds are perceived. 2. audition; the capacity to perceive sound. color hearing a form of chromesthesia in which sounds cause sensations of color.
hearing, n the sense by which sound perception occurs; happens after sound waves are converted into impulses of the nerves and translated by the brain. hearing the sense by which sounds are perceived, by conversion of sound waves into nerves impulses, which are then interpreted by the brain. Also, the capacity to perceive sound. The organ of hearing is the ear, which is divided into three sections, the outer, middle and inner ear. Each plays a special role in hearing. Connecting the middle ear with the nasopharynx is the pharyngotympanic canal, through which air enters to equalize the pressure on both sides of the tympanic membrane (eardrum). hearing aid an instrument to amplify sounds for the hard of hearing. These have been fitted to dogs, but are not normally offered in veterinary practice. hearing tests are difficult to administer and interpret in any other than laboratory-trained animals or without specialized electronic equipment such as an impedance audiometer or electroencephalograph with which auditory cortical evoked responses can be measured. hearing dog a dog trained to respond to sounds such as a telephone ring or door bell; used to assist hearing impaired humans. hearing Audiology A series of events in which sound waves in air are converted to electrical signals that are sent as nerve impulses to the brain where they are interpreted How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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